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Dayco 87670 HVAC Heater Hose
| Brand | Dayco 87670 |
|---|---|
| Position | Heater Outlet |
| Color | Black |
| End 1 Inside Diameter | 5/8 |
| End 2 Inside Diameter | 5/8 |
| Hose Type | Single I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R3 Class D-1, SAE J1684 Type EC |
| Trunk Height | 7 |
| Product line | Small I.D. Heater Hose |
| Fits | Ford, Mazda, BMW, Nissan, and Toyota · 30 vehicles |
EPDM construction. Resists heat and coolant exposure in a durable heater hose.
Single I.D. hose. Provides a consistent inside diameter for steady coolant flow.
SAE J20R3 Class D-1. Built to meet recognized heater hose performance standards.
Cross-references ACDelco 14114S, CARQUEST 18813 and Duralast B87670 for the same application. See all 11.
Dayco Small I.D. Heater Hose 87670
Dayco 87670 is a Small I.D. Heater Hose built for heater circuit service in select Ford, Mazda, BMW, Nissan, and Toyota applications. Made from EPDM with a black finish, this 5/8 in. x 5/8 in. single I.D. hose is specified to SAE J20R3 Class D-1 and SAE J1684 Type EC standards.
The Dayco Small I.D. Heater Hose line focuses on heater hose routing where a compact inside diameter is required. Part number 87670 is a direct-fit style hose for heater outlet and heater-to-pipe or valve connections in the listed vehicles, including Ford Ranger, Mazda B2300, Nissan Pathfinder, Nissan D21, and Toyota Starlet applications.
Key Features
- EPDM construction for heater hose service
- 5/8 in. inside diameter at both ends
- Single I.D. hose design for heater circuit routing
- Black finish for a clean OE-style appearance
- Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
- Fits heater outlet, heater hose, heater-to-pipe, heater-to-tee, and heater-to-valve positions in listed applications
Fitment Details
- Fits 2009-2010 Ford Ranger, heater outlet; fits vehicles without air conditioning; Small I.D. Heater Hose.
- Fits 2009-2010 Mazda B2300, heater outlet; fits vehicles without air conditioning; Small I.D. Heater Hose.
- Fits 1997-2001 BMW 540i, heater hose; Small I.D. Heater Hose.
- Fits 1995 Nissan Pathfinder, heater to pipe-1; Small I.D. Heater Hose.
- Fits 1987-1992 Nissan Pathfinder, heater to pipe-1; Small I.D. Heater Hose.
- Fits 1995 Nissan Pickup, heater to tee-2; Small I.D. Heater Hose.
- Fits 1986-1993 Nissan D21, heater to pipe-1; Small I.D. Heater Hose.
- Fits 1993 Nissan Pathfinder, heater to pipe; Small I.D. Heater Hose.
- Fits 1981-1984 Toyota Starlet, heater to valve; Small I.D. Heater Hose.
What It Helps Address
- Cracked or hardened heater hose material
- Coolant seepage at heater hose connections
- Restricted heater flow from deteriorated hose sections
- Incorrect hose diameter at heater outlet or pipe connections
- Service replacement for aging heater circuit plumbing
Installation Notes
Verify the hose routing, end diameters, and position before installation. This hose uses a 5/8 in. inside diameter on both ends and is listed for specific heater outlet and heater line applications, including Ford Ranger and Mazda B2300 models without air conditioning. Inspect adjoining pipes, tees, and valves for wear before reassembly.
This part cross-references Ford 1L5Z18472AA and Gates 18813 for the same application.
Quality Assurance
Dayco manufactures this heater hose to SAE J20R3 Class D-1 and SAE J1684 Type EC requirements, supporting consistent material and dimensional standards for heater system service.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2010 | Ford | Ranger | 2.3L | L4 | Heater Outlet | Fits vehicles without air conditioning.; Small I.D. Heater Hose |
| 2010 | Mazda | B2300 | — | — | Heater Outlet | Fits vehicles without air conditioning.; Small I.D. Heater Hose |
| 2009 | Ford | Ranger | 2.3L | L4 | Heater Outlet | Fits vehicles without air conditioning.; Small I.D. Heater Hose |
| 2009 | Mazda | B2300 | — | — | Heater Outlet | Fits vehicles without air conditioning.; Small I.D. Heater Hose |
| 2001 | BMW | 540i | — | — | Heater Hose | Small I.D. Heater Hose |
| 2000 | BMW | 540i | — | — | Heater Hose | Small I.D. Heater Hose |
| 1999 | BMW | 540i | — | — | Heater Hose | Small I.D. Heater Hose |
| 1998 | BMW | 540i | — | — | Heater Hose | Small I.D. Heater Hose |
| 1997 | BMW | 540i | — | — | Heater Hose | Small I.D. Heater Hose |
| 1995 | Nissan | Pathfinder | — | — | Heater To Pipe-1 | Small I.D. Heater Hose |
| 1995 | Nissan | Pickup | 3.0L | V6 | Heater To Tee-2 | Small I.D. Heater Hose |
| 1993 | Nissan | D21 | 3.0L | V6 | Heater To Pipe-1 | Small I.D. Heater Hose |
| 1993 | Nissan | Pathfinder | — | — | Heater To Pipe | Small I.D. Heater Hose |
| 1992 | Nissan | D21 | 3.0L | V6 | Heater To Pipe-1 | Small I.D. Heater Hose |
| 1992 | Nissan | Pathfinder | — | — | Heater To Pipe-1 | Small I.D. Heater Hose |
| 1991 | Nissan | D21 | 3.0L | V6 | Heater To Pipe-1 | Small I.D. Heater Hose |
| 1991 | Nissan | Pathfinder | — | — | Heater To Pipe-1 | Small I.D. Heater Hose |
| 1990 | Nissan | D21 | 3.0L | V6 | Heater To Pipe-1 | Small I.D. Heater Hose |
| 1990 | Nissan | Pathfinder | — | — | Heater To Pipe-1 | Small I.D. Heater Hose |
| 1989 | Nissan | D21 | 3.0L | V6 | Heater To Pipe-1 | Small I.D. Heater Hose |
| 1989 | Nissan | Pathfinder | — | — | Heater To Pipe-1 | Small I.D. Heater Hose |
| 1988 | Nissan | D21 | 3.0L | V6 | Heater To Pipe-1 | Small I.D. Heater Hose |
| 1988 | Nissan | Pathfinder | 3.0L | V6 | Heater To Pipe-1 | Small I.D. Heater Hose |
| 1987 | Nissan | D21 | 3.0L | V6 | Heater To Pipe-1 | Small I.D. Heater Hose |
| 1987 | Nissan | Pathfinder | 3.0L | V6 | Heater To Pipe-1 | Small I.D. Heater Hose |
| 1986 | Nissan | D21 | 3.0L | V6 | Heater To Pipe-1 | Small I.D. Heater Hose |
| 1984 | Toyota | Starlet | — | — | Heater To Valve | Small I.D. Heater Hose |
| 1983 | Toyota | Starlet | — | — | Heater To Valve | Small I.D. Heater Hose |
| 1982 | Toyota | Starlet | — | — | Heater To Valve | Small I.D. Heater Hose |
| 1981 | Toyota | Starlet | — | — | Heater To Valve | Small I.D. Heater Hose |
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